---
name: "VirtualBox"
section: "1"
platform: "linux"
package: "virtualbox-qt"
version: "4.3.36-dfsg-1+deb8u1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/VirtualBox"
---

# VirtualBox(1)

x86 virtualization solution

## NAME

VirtualBox - x86 virtualization solution

## DESCRIPTION

Oracle VM VirtualBox Manager (C) 2005-2013 Oracle Corporation All rights reserved.

### Usage:

- **--startvm** \<vmname\|UUID\>

  start a VM by specifying its UUID or name

- **--seamless**

  switch to seamless mode during startup

- **--fullscreen**

  switch to fullscreen mode during startup

- **--rmode** sdl\|image

  select different render mode (default is sdl)

- **--no-startvm-errormsgbox**

  do not show a message box for VM start errors

- **--dbg**

  enable the GUI debug menu

- **--debug**

  like **--dbg** and show debug windows at VM startup

- **--debug-command-line**

  like **--dbg** and show command line window at VM startup

- **--debug-statistics**

  like **--dbg** and show statistics window at VM startup

- **--no-debug**

  disable the GUI debug menu and debug windows

- **--start-paused**

  start the VM in the paused state

- **--start-running**

  start the VM running (for overriding **--debug**\*)

### Expert options:

- **--disable-patm**

  disable code patching (ignored by AMD-V/VT-x)

- **--disable-csam**

  disable code scanning (ignored by AMD-V/VT-x)

- **--recompile-supervisor**

  recompiled execution of supervisor code (\*)

- **--recompile-user**

  recompiled execution of user code (\*)

- **--recompile-all**

  recompiled execution of all code, with disabled code patching and scanning

- **--warp-pct** \<pct\>

  time warp factor, 100% (= 1.0) = normal speed

-

  (\*) For AMD-V/VT-x setups the effect is **--recompile-all**.

### The following environment (and extra data) variables are evaluated:

-

  VBOX\_GUI\_DBG\_ENABLED (GUI/Dbg/Enabled)

-

  enable the GUI debug menu if set

-

  VBOX\_GUI\_DBG\_AUTO\_SHOW (GUI/Dbg/AutoShow)

-

  show debug windows at VM startup

- VBOX\_GUI\_NO\_DEBUGGER

  disable the GUI debug menu and debug windows